//
// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#import <UIKit/UIKit.h>

/**
 *  EarlGrey specific additions for tracking UIScrollView events (like scrolling, bouncing etc).
 */
@interface UIScrollView (GREYAdditions)

/**
 *  Returns @c YES if the scroll view is exerting resistance to scroll, since scroll views that do
 *  not have bounce enabled cannot detect resistance unless some scroll is applied, the output of
 *  this method only makes sense in the middle of a scroll action.
 *  @remark This method has limited accuracy when used with scroll views having bounce disabled,
 *          please see the implementation for more details.
 *
 *  @return @c YES if the scroll view is exerting resistance to scroll, @c NO otherwise.
 */
- (BOOL)grey_hasScrollResistance;
@end
